CN203746556U - Power cable for ships and offshore oil platforms - Google Patents
Power cable for ships and offshore oil platforms Download PDFInfo
- Publication number
- CN203746556U CN203746556U CN201420029306.5U CN201420029306U CN203746556U CN 203746556 U CN203746556 U CN 203746556U CN 201420029306 U CN201420029306 U CN 201420029306U CN 203746556 U CN203746556 U CN 203746556U
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- power cable
- offshore oil
- boats
- ships
- oil platform
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Abstract
The utility model discloses a power cable for ships and offshore oil platforms. The key points are that the power cable comprises main wire cores, filling strips, a wrapping belt, an inner sheath, an armor layer and an outer sheath; the number of the main wire cores is three, each of the main wire cores is sequentially provided with a conductor, a conductor shielding layer, an insulating layer, an insulating non-metal shielding layer and an insulating metal shielding layer from the inside out along the radial direction, the conductor shielding layer, the insulating layer and the insulating non-metal layer are extruded at the external part of the conductor together, and the insulating metal shielding layer is wrapped outside the insulating non-metal shielding layer; the number of the filling strips is three; the wrapping belt is wrapped at the external part of the main wire cores and the filling strips which are stranded together; the inner sheath is extruded at the periphery of the wrapping belt; the armor layer is located at the external part of the inner sheath; and the outer sheath is covered at the external part of the armor layer.
Description
Technical field
The utility model relates to a kind of boats and ships and offshore oil platform power cable.
Background technology
In recent years, along with the development of sea floor optoelectronic composite cable, offshore oil platform electricity consumption can first transmit from land by submarine fiber cable, to platform, come and then change and supply with each system applies by transformer with electric power Splices cable through marine electric installation again, the shortcoming that has solved that the energy resource consumption of in the past leaning on generating set to generate electricity to bring is large, noise is large, space used is large etc.But at present the electric pressure of the conventional sea floor optoelectronic composite cable of China is 35kV, therefore needs the marine electric installation power cable of electric pressure coupling therewith to connect.And current marine electric installation in the world adopts the standard of IEC 60092-354 with electric power cable standard, the highest voltage level of this standard is 18/30kV, at present in the world also without the electric pressure of 26/35kV, cannot select with the marine electric installation power cable of sea floor optoelectronic composite cable electric pressure coupling and be connected, so each large shipyard can only select the land system power cable of 26/35kV to replace use, and the land of this electric pressure with system power cable adopt be crosslinked polyetylene insulated, cross-linking polyethylene materials is in the time having moisture to immerse, under electric field action, can form water tree discharges, insulating barrier easily punctures, poor reliability, life-span is short, to often change, maintenance and repair cost price is too large.
Utility model content
The purpose of this utility model is to provide the boats and ships that can mate with submarine fiber cable electric pressure and the offshore oil platform power cable of a kind of simple in structure, good reliability, long service life.
The basic technical scheme of realizing the utility model object is: a kind of boats and ships and offshore oil platform power cable, its design feature is: comprise master core, packing, twining package tape, inner sheath, armour and oversheath.Master core has 3.Each master core all along its separately be radially provided with successively from inside to outside conductor, conductor shield, insulating barrier, insulated non-metal screen and insulated metal screen.The three-layer co-extruded outside that is coated on conductor of conductor shield, insulating barrier and insulated non-metal screen.Insulated metal screen is wrapped outside insulated non-metal screen.
Packing has 3.3 master cores are along circumferentially uniformly-spaced angle setting of power cable.3 packings, along circumferentially uniformly-spaced angle setting of power cable, contact with corresponding adjacent master core.3 master cores and 3 packings adopt concentric type twisted synthesizing cable, and laying up pitch is 20 to 30 times of power cable external diameter.The wrapped master core twisting together of twining package tape and the outside of packing, the wrapped rate of putting up is 20% to 50%.
Twining package tape periphery is extruded with inner sheath.Tinned copper wire or zinc-coated wire braiding that armour is 0.3mm or 0.4mm by diameter form, and are positioned at the outside of inner sheath, and its percentage of braiding coverage is 90% to 98%.
Oversheath is made by the Halogen thermosetting of resistance to mud polyolefin, and oversheath is coated on the outside of armour, and the thickness of oversheath is 1.48 millimeters to 3 millimeters.
Taking above-mentioned basic technical scheme as the further technical scheme on basis be: described each packing is made by low smoke and zero halogen expanded polyolefin material.Density is not more than 0.8g/ cm
3, acid gas content is not more than 2wt%, and content of halogen is not more than 0.2wt%, and smoke index is not more than 45, and poison exponent is not more than 5.
Taking above-mentioned further technical scheme as basic technical scheme be: conductor is identical by 6 or 12 or 15 or 18 or 30 filament diameters, the forming copper wire or stranded pressing of plating copper wire of 50 to 185 square millimeters of nominal crosss.
Taking above-mentioned further technical scheme as basic technical scheme be: described conductor shield is by making by vulcanization type semiconductive material, and the thickness of conductor shield is 0.35 millimeter to 0.9 millimeter.
Taking above-mentioned further technical scheme as basic technical scheme be: described insulating barrier is made up of ethylene-propylene rubber material.
Taking above-mentioned further technical scheme as basic technical scheme be: described insulated non-metal screen is by making by vulcanization type semiconductive material.
Taking above-mentioned further technical scheme as basic technical scheme be: insulated metal screen adopts bare copper strip wrapped outside insulated non-metal screen, and the thickness of bare copper strip is 0.1mm, puts up rate 10% to 15%.
Taking above-mentioned each appropriate technical solution as basic technical scheme be: the cross section of described packing is as circular or fan-shaped.
Taking above-mentioned each appropriate technical solution as basic technical scheme be: twining package tape is LSOH anti-flaming strap, and the thickness of twining package tape is 0.2 ± 0.02 millimeter.
Taking above-mentioned appropriate technical solution as basic technical scheme be: twining package tape is LSOH anti-flaming strap, and the thickness of twining package tape is 0.2 ± 0.02 millimeter.
The utlity model has positive effect: (1) boats and ships of the present utility model and offshore oil platform power cable have been filled up the blank of the marine electric installation use power cable that sea floor optoelectronic composite cable that not have specially be at present 35kV with electric pressure mates.
(2) boats and ships of the present utility model and offshore oil platform form with the identical copper wire of the conductor multifilament diameter of the master core of power cable or stranded pressing of plating copper wire, can reduce conductive surface gap, prevent that the material of conductor shield is absorbed in conductor.Conductor shield (internal shield), insulating barrier and insulated non-metal screen (outer shielding layer) adopt the three-layer co-extruded outside that is coated on conductor, bonding tightness between insulating barrier and interior outer shielding layer and the smoothness of superficial layer are ensured, reduce the partial discharge phenomenon producing because of gap, greatly improved the useful life of product.
(3) boats and ships of the present utility model and offshore oil platform adopt with the insulating barrier of power cable the ethylene-propylene rubber macromolecular material that voltage withstand class is 35kV, the tensile strength that has ensured insulating barrier is not less than 5MPa, elongation at break is not less than 200%, in watertight aircase, carry out that aging (temperature is 135 DEG C ± 3 DEG C, time is 168h), tensile strength retention rate is not less than 80% of former tensile strength, and elongation at break is not less than 80% of former elongation at break; Conductor shield is selected to make by vulcanization type semiconductive material, has ensured that the tensile strength of conductor shield is not less than 15MPa, and elongation at break is not less than 200%, 90 DEG C of specific insulation and is not less than 200 ohmcms; Insulated non-metal screen is selected to make by vulcanization type semiconductive material, has ensured that the tensile strength of insulated non-metal screen is not less than 13MPa, and elongation at break is not less than 350%, 90 DEG C of specific insulation and is not less than 50 ohmcms.
(4) power cable partial discharge test satisfied 1.73 after testing for boats and ships of the present utility model and offshore oil platform
u 0under, partial discharge quantity is less than 5Pc, and properties of product are reliable.
(5) boats and ships of the present utility model and offshore oil platform with power cable in the time that master core is 3, adopt circle or fan-shaped packing to fill, facilitate stranding operation, make power cable consolidation, the rounding more after stranding, because packing is that low smoke and zero halogen expanded polyolefin material is made, there is no the weight of the too much cable that increases electric power, ensured the lightness of this product.
(6) boats and ships of the present utility model and offshore oil platform are made up of the Halogen thermosetting of resistance to mud polyolefin with the oversheath of power cable, have good resistance to mud and anti-seawater corrosion performance.
Brief description of the drawings
Fig. 1 is the structural representation of the cross section of boats and ships of the present utility model and offshore oil platform power cable.
Mark in above-mentioned accompanying drawing is as follows:
Master core 1, conductor 11, conductor shield 12, insulating barrier 13, insulated non-metal screen 14, insulated metal screen 15,
Packing 2, twining package tape 3, inner sheath 4, armour 5, oversheath 6.
Embodiment
(embodiment 1)
See Fig. 1, the boats and ships of the present embodiment and offshore oil platform comprise master core 1, packing 2, twining package tape 3, inner sheath 4, armour 5 and oversheath 6 with power cable.
Master core 1 has 3, and the structure of 3 master cores 1 is identical.3 master cores 1 are along circumferentially uniformly-spaced angle setting of power cable.3 master cores 1 are all radially provided with conductor 11, conductor shield 12, insulating barrier 13, insulated non-metal screen 14 and insulated metal screen 15 separately from inside to outside successively along it.
Conductor 11 is identical by 6 or 12 or 15 or 18 or 30 filament diameters, the forming copper wire or stranded pressing of plating copper wire of 50 to 185 square millimeters of nominal crosss, and the present embodiment adopts and forms 70 square millimeters of stranded pressing of tinned copper wire of 12 monofilament nominal crosss.
Conductor shield 12, by making by vulcanization type semiconductive material, can adopt the semi-conductive shielding material of the HFDB-0586 of Dow Chemical supply in the present embodiment.Conductor shield 12 is extruded in the outside of conductor 11.The thickness of conductor shield 12 is 0.35 millimeter to 0.9 millimeter, and the present embodiment is 0.5 millimeter.The tensile strength of conductor shield 12 is not less than 15MPa, and elongation at break is not less than 200%, 90 DEG C of specific insulation and is not less than 200 ohmcms.
Insulating barrier 13 is made up of ethylene-propylene rubber material, can adopt the ethylene propylene rubber insulation material of the ERI-3748 of Dow Chemical supply, the tensile strength of insulating barrier 13 is not less than 5MPa, elongation at break is not less than 200%, in watertight aircase, carry out that aging (temperature is 135 DEG C ± 3 DEG C, time is 168h), tensile strength retention rate is not less than 80% of former tensile strength, and elongation at break is not less than 80% of former elongation at break.Insulating barrier 13 is extruded in the outside of conductor shield 12.
Insulated non-metal screen 14, by making by vulcanization type semiconductive material, can adopt the HFDA-0693 strippable semi-conductive shielded cable material of Dow Chemical to make in the present embodiment.The tensile strength of insulated non-metal screen 14 is not less than 13MPa, and elongation at break is not less than 350%, 90 DEG C of specific insulation and is not less than 50 ohmcms.Insulated non-metal screen 14 is extruded in the outside of insulating barrier 13.
Conductor shield 12, insulating barrier 13 and insulated non-metal screen 14 adopt the three-layer co-extruded outside that is coated on conductor 11.
Insulated metal screen 15 adopts bare copper strip wrapped outside insulated non-metal screen 14, and the thickness of bare copper strip is 0.1mm, puts up rate 10% to 15%.
Packing 2 has 3, and 3 packings 2, along circumferentially uniformly-spaced angle setting of power cable, contact with corresponding adjacent master core 1.Each packing 2 is made by low smoke and zero halogen expanded polyolefin material, and the patent documentation publication number of this material is CN101619150A.The cross section of packing 2 is circular or fan-shaped, and the present embodiment is circular, and density is not more than 0.8g/cm
3, acid gas content is not more than 2wt%, and content of halogen is not more than 0.2wt%, and smoke index is not more than 45, and poison exponent is not more than 5.
1 and 3 packings 2 of 3 master cores adopt concentric type twisted synthesizing cable to the right, and laying up pitch is 20 to 30 times of power cable external diameter, and the present embodiment is 25 times.
Twining package tape 3 is LSOH anti-flaming strap, the LSOH anti-flaming strap that the present embodiment adopts Shenyang Correspondent cable material Co., Ltd to produce.The thickness of twining package tape 3 is 0.2 ± 0.02 millimeter, the wrapped master core 1 twisting together of twining package tape 3 and the outside of packing 2, and the wrapped rate of putting up is 20% to 50%, the present embodiment is 25%.
Twining package tape 3 peripheries are extruded with inner sheath 4.Inner sheath 4 adopts polyolefin or cross-linked polyolefin be made (the present embodiment is polyolefin).The thickness of inner sheath 4 is 2.5 millimeters to 5 millimeters (the present embodiment is 3.5 millimeters)
Tinned copper wire or zinc-coated wire braiding that armour 5 is 0.3mm or 0.4mm by diameter form, and be positioned at the outside of inner sheath 4, its percentage of braiding coverage is 90% to 98%, and the tinned copper wire braiding that the armour 5 of the present embodiment is 0.35mm by diameter forms, and its percentage of braiding coverage is 95%.The tensile strength of armour 5 is not less than 100 MPa, and elongation at break is not less than 15%.
Oversheath 6 is made by the Halogen thermosetting of resistance to mud polyolefin, and the present embodiment adopts the protective cover material of the trade mark ZL1213-HN-N of Hebei Zhonglian Plastic Technology Development Co., Ltd.'s production.Oversheath 6 is coated on the outside of armour 5.The thickness of oversheath 6 is 1.48 millimeters to 3 millimeters (the present embodiment is 2.02 millimeters)
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that departing from spirit and scope of the present utility model; can also make various conversion and variation; in concrete application process, can also transform accordingly according to the inspiration of above-described embodiment, within therefore all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (10)
1. boats and ships and an offshore oil platform power cable, is characterized in that: comprise master core (1), packing (2), twining package tape (3), inner sheath (4), armour (5) and oversheath (6); Master core (1) has 3; Each master core (1) all along its separately be radially provided with successively from inside to outside conductor (11), conductor shield (12), insulating barrier (13), insulated non-metal screen (14) and insulated metal screen (15); Conductor shield (12), insulating barrier (13) and the three-layer co-extruded outside that is coated on conductor (11) of insulated non-metal screen (14); Insulated metal screen (15) is wrapped outside insulated non-metal screen (14);
Packing (2) has 3; 3 master cores (1) are along circumferentially uniformly-spaced angle setting of power cable; 3 packings (2), along circumferentially uniformly-spaced angle setting of power cable, contact with corresponding adjacent master core (1); 3 master cores (1) and 3 packings (2) adopt concentric type twisted synthesizing cable, and laying up pitch is 20 to 30 times of power cable external diameter; The wrapped master core (1) twisting together of twining package tape (3) and the outside of packing (2), the wrapped rate of putting up is 20% to 50%;
Twining package tape (3) periphery is extruded with inner sheath (4); Tinned copper wire or zinc-coated wire braiding that armour (5) is 0.3mm or 0.4mm by diameter form, and are positioned at the outside of inner sheath (4), and its percentage of braiding coverage is 90% to 98%;
Oversheath (6) is made by the Halogen thermosetting of resistance to mud polyolefin, and oversheath (6) is coated on the outside of armour (5), and the thickness of oversheath (6) is 1.48 millimeters to 3 millimeters.
2. boats and ships according to claim 1 and offshore oil platform power cable, is characterized in that: described each packing (2) is made by low smoke and zero halogen expanded polyolefin material; Density is not more than 0.8g/ cm
3, acid gas content is not more than 2wt%, and content of halogen is not more than 0.2wt%, and smoke index is not more than 45, and poison exponent is not more than 5.
3. boats and ships according to claim 2 and offshore oil platform power cable, is characterized in that: conductor (11) is identical by 6 or 12 or 15 or 18 or 30 filament diameters, the forming copper wire or stranded pressing of plating copper wire of 50 to 185 square millimeters of nominal crosss.
4. boats and ships according to claim 2 and offshore oil platform power cable, is characterized in that: described conductor shield (12) is by making by vulcanization type semiconductive material, and the thickness of conductor shield (12) is 0.35 millimeter to 0.9 millimeter.
5. boats and ships according to claim 2 and offshore oil platform power cable, is characterized in that: described insulating barrier (13) is made up of ethylene-propylene rubber material.
6. boats and ships according to claim 2 and offshore oil platform power cable, is characterized in that: described insulated non-metal screen (14) is by making by vulcanization type semiconductive material.
7. boats and ships according to claim 2 and offshore oil platform power cable, is characterized in that: insulated metal screen (15) employing bare copper strip is wrapped, and outside insulated non-metal screen (14), the thickness of bare copper strip is 0.1mm, puts up rate 10% to 15%.
8. according to the boats and ships one of claim 2 to 7 Suo Shu and offshore oil platform power cable, it is characterized in that: the cross section of described packing (2) is for circular or fan-shaped.
9. according to the boats and ships one of claim 2 to 7 Suo Shu and offshore oil platform power cable, it is characterized in that: twining package tape (3) is LSOH anti-flaming strap, and the thickness of twining package tape (3) is 0.2 ± 0.02 millimeter.
10. boats and ships according to claim 8 and offshore oil platform power cable, is characterized in that: twining package tape (3) is LSOH anti-flaming strap, and the thickness of twining package tape (3) is 0.2 ± 0.02 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029306.5U CN203746556U (en) | 2014-01-17 | 2014-01-17 | Power cable for ships and offshore oil platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029306.5U CN203746556U (en) | 2014-01-17 | 2014-01-17 | Power cable for ships and offshore oil platforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746556U true CN203746556U (en) | 2014-07-30 |
Family
ID=51346326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420029306.5U Withdrawn - After Issue CN203746556U (en) | 2014-01-17 | 2014-01-17 | Power cable for ships and offshore oil platforms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779019A (en) * | 2014-01-17 | 2014-05-07 | 常州船用电缆有限责任公司 | Ship and offshore oil platform power cable |
-
2014
- 2014-01-17 CN CN201420029306.5U patent/CN203746556U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779019A (en) * | 2014-01-17 | 2014-05-07 | 常州船用电缆有限责任公司 | Ship and offshore oil platform power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |